EP1975763A3 - Resource power controller - Google Patents

Resource power controller Download PDF

Info

Publication number
EP1975763A3
EP1975763A3 EP08250933A EP08250933A EP1975763A3 EP 1975763 A3 EP1975763 A3 EP 1975763A3 EP 08250933 A EP08250933 A EP 08250933A EP 08250933 A EP08250933 A EP 08250933A EP 1975763 A3 EP1975763 A3 EP 1975763A3
Authority
EP
European Patent Office
Prior art keywords
power controller
resource
resource power
state
heuristically
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08250933A
Other languages
German (de)
French (fr)
Other versions
EP1975763A2 (en
EP1975763B1 (en
Inventor
James W. Alexander
Krishna Kant
Rahul Khanna
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Intel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel Corp filed Critical Intel Corp
Publication of EP1975763A2 publication Critical patent/EP1975763A2/en
Publication of EP1975763A3 publication Critical patent/EP1975763A3/en
Application granted granted Critical
Publication of EP1975763B1 publication Critical patent/EP1975763B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3243—Power saving in microcontroller unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)

Abstract

Embodiments of the invention are generally directed to systems, methods, and apparatuses for a resource power controller. In some embodiments, an integrated circuit includes a resource power controller to control whether a resource is in an up state or a down state. In some embodiments, the resource power controller heuristically estimates when to return the resource to an up state based, at least in part, on an estimate of a gap size.
EP08250933.2A 2007-03-28 2008-03-18 Resource power controller Active EP1975763B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/728,993 US7865753B2 (en) 2007-03-28 2007-03-28 Resource power controller to return a resource to an up state based on an estimate of a size of a gap in data traffic

Publications (3)

Publication Number Publication Date
EP1975763A2 EP1975763A2 (en) 2008-10-01
EP1975763A3 true EP1975763A3 (en) 2012-05-30
EP1975763B1 EP1975763B1 (en) 2014-08-06

Family

ID=39517139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08250933.2A Active EP1975763B1 (en) 2007-03-28 2008-03-18 Resource power controller

Country Status (4)

Country Link
US (1) US7865753B2 (en)
EP (1) EP1975763B1 (en)
CN (1) CN101359249B (en)
TW (1) TWI413891B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8910234B2 (en) * 2007-08-21 2014-12-09 Schneider Electric It Corporation System and method for enforcing network device provisioning policy
US20090172440A1 (en) * 2007-12-31 2009-07-02 Krishna Kant Coupled low power state entry and exit for links and memory
US7984250B2 (en) * 2008-12-31 2011-07-19 Intel Corporation Dynamic updating of thresholds in accordance with operating conditons
JP5135268B2 (en) * 2009-03-17 2013-02-06 株式会社東芝 Wireless system, receiver
CN102662458B (en) * 2012-04-18 2015-07-08 华为技术有限公司 Dynamic energy-saving method and device for PCIE equipment and communication system of PCIE equipment
US9065446B1 (en) * 2014-06-03 2015-06-23 Xilinx, Inc. Generating delay values for different contexts of a circuit
US9671853B2 (en) * 2014-09-12 2017-06-06 Intel Corporation Processor operating by selecting smaller of requested frequency and an energy performance gain (EPG) frequency

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030105983A1 (en) * 2001-12-03 2003-06-05 Brakmo Lawrence Sivert Power reduction in computing devices using micro-sleep intervals
US20060156043A1 (en) * 2005-01-13 2006-07-13 Ying Liu Dynamic power and clock-gating method and circuitry
WO2006122102A2 (en) * 2005-05-10 2006-11-16 Qualcomm Incorporated Idle-element prediction circuitry and anti-thrashing logic

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5612950A (en) * 1993-05-27 1997-03-18 Rockwell International Corporation Managing communication on an unstable error-prone channel
US5687371A (en) * 1993-09-27 1997-11-11 Intel Corporation Selection from a plurality of bus operating speeds for a processor bus interface during processor reset
US5805597A (en) * 1996-06-04 1998-09-08 National Semiconductor Corporation Method and apparatus for providing low power basic telephony type service over a twisted pair ethernet physical layer
US5968147A (en) * 1997-09-26 1999-10-19 Adaptec, Inc. Method and apparatus for improved peripheral bus utilization
US6606721B1 (en) * 1999-11-12 2003-08-12 Obsidian Software Method and apparatus that tracks processor resources in a dynamic pseudo-random test program generator
US7408878B2 (en) * 2003-06-10 2008-08-05 Cisco Technology, Inc. System packet interface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030105983A1 (en) * 2001-12-03 2003-06-05 Brakmo Lawrence Sivert Power reduction in computing devices using micro-sleep intervals
US20060156043A1 (en) * 2005-01-13 2006-07-13 Ying Liu Dynamic power and clock-gating method and circuitry
WO2006122102A2 (en) * 2005-05-10 2006-11-16 Qualcomm Incorporated Idle-element prediction circuitry and anti-thrashing logic

Also Published As

Publication number Publication date
US7865753B2 (en) 2011-01-04
EP1975763A2 (en) 2008-10-01
TWI413891B (en) 2013-11-01
CN101359249B (en) 2014-08-06
TW200844725A (en) 2008-11-16
EP1975763B1 (en) 2014-08-06
CN101359249A (en) 2009-02-04
US20080244291A1 (en) 2008-10-02

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